JPH01177263U - - Google Patents
Info
- Publication number
- JPH01177263U JPH01177263U JP7425488U JP7425488U JPH01177263U JP H01177263 U JPH01177263 U JP H01177263U JP 7425488 U JP7425488 U JP 7425488U JP 7425488 U JP7425488 U JP 7425488U JP H01177263 U JPH01177263 U JP H01177263U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- treated
- opening
- metal cylinder
- closely attached
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims 4
- 238000010438 heat treatment Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
第1図は本考案の第1の実施例の縦断面図、第
2図は本考案の第2の実施例の縦断面図である。
1…鋼管、3…真空シールベースプレート、9
…真空シールプレート。
FIG. 1 is a longitudinal cross-sectional view of a first embodiment of the present invention, and FIG. 2 is a longitudinal cross-sectional view of a second embodiment of the present invention. 1... Steel pipe, 3... Vacuum seal base plate, 9
...Vacuum seal plate.
Claims (1)
る真空熱処理装置において、 被処理金属筒体の一方の開口部に、真空ポンプ
と連通する真空排気路を開口した真空シールベー
スプレートを密着し、他方の開口部に、ガス供給
源と連通する処理ガス導入口を備えた真空シール
プレートを密着し、被処理金属筒体内に真空雰囲
気を形成したことを特徴とする金属管等の内面処
理装置。[Scope of Claim for Utility Model Registration] In a vacuum heat treatment apparatus for heat-treating the inner surface of a metal cylinder to be treated in a vacuum atmosphere, a vacuum heat treatment apparatus in which a vacuum exhaust passage communicating with a vacuum pump is opened in one opening of the metal cylinder to be treated. A metal tube characterized in that a seal base plate is closely attached to the other opening, and a vacuum seal plate having a processing gas inlet communicating with a gas supply source is closely attached to the other opening to form a vacuum atmosphere inside the metal cylinder to be treated. etc. internal treatment equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7425488U JPH01177263U (en) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7425488U JPH01177263U (en) | 1988-06-06 | 1988-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01177263U true JPH01177263U (en) | 1989-12-18 |
Family
ID=31299372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7425488U Pending JPH01177263U (en) | 1988-06-06 | 1988-06-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01177263U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100297366B1 (en) * | 1999-03-22 | 2001-09-22 | 장인순 | Device for the Inner Surface Treatment of a Cylinder by Dynamic Plasma Diffusion |
-
1988
- 1988-06-06 JP JP7425488U patent/JPH01177263U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100297366B1 (en) * | 1999-03-22 | 2001-09-22 | 장인순 | Device for the Inner Surface Treatment of a Cylinder by Dynamic Plasma Diffusion |
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